Method of and apparatus for control of train movements



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Nov. 29, 1932. J SPRAGUE 1,889,724

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METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS Original FiledAug. 7, 1919 28 Sheets-Sheet 4 W1 TNESSES AT ORNEYS F. J. SPRAGUE Nov.29, 1932."

METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS Original FiledAug. 7, 1919 28 Sheets-Sheet 5 Ill..-

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Original Filed Aug. 7, 1919 METHOD OF AND APPARATUS FOR CONTROL OF TRAINMOVEMENTS Nov. 29, 1932.

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METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS.

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Nov. 29 1932. F. .LSPRAGUE 1,889,724

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METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS Original FiledAug. '7, 1919 28 Sheets-Sheet 9 13m I I I Qlhll ET'I III IIIF f EYET I II I I 3 l N I In v WITNESSES: [NVENTO/c' MW/guc- O BY W W ATTO/RNEYS.

F. J. SPRAGUE 1,889,724

METHOD OF AND APPARATUS FOR CONTROL OF TRAIN IVIOVEMEIIIS Npv. 29, 1932.

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METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS Original FiledAug. 7, 1919 28 Sheets- Sheet 15 W/TJVESSES:

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METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS I Original FiledAug. 7, 1919 28 Sheets-Sheet 15 INVENTUR.

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Nov. 29, 1932. 1,889,724

METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS F. J. SPRAGUE '28Sheets-Sheet 16 Original Filed Aug. '7, 1919 3,4, l m m mi ML Nov. 29,F. J. SPRAGUE METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTSOriginal Filed Aug. 7, 1919 28 Sheets-Sheet l7 1N VEN 10R.

A T ORNEYS Nov. 29, E32. F. .1. SPRAGUE 1,839,724

METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS TTOR/VE VS [NENTOR ZW/ B Y Q 5 i a 1 I MFW kb I!!! Q 2 lL 0 0 9 0 W1 TNESSES? MfaAzww NOV. 29, 1932. I F, J SPRAGUE 1,889,724

METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS Original FiledAug. 7, 1919 28 Sheets-Sheet 19 H um FOR SERv E o A TH E) I P IV/TNESSES. INVENTOR W 1 Nov. 29, 1932. SPRAGUE 1,889,724

METHOD OF AND APPARATUS FOR CONTROL OF TRAIN MOVEMENTS 28 Sheets-Sheet20 Original Filed Aug. 7, 1919 IN VEN TOR.

WITNESSES W/M //L A TTORNEYS

